Search a number
-
+
109911407 is a prime number
BaseRepresentation
bin1101000110100…
…01110101101111
321122211002002212
412203101311233
5211114131112
614523441035
72503142264
oct643216557
9248732085
10109911407
1157051081
123098617b
1319a03c48
141085126b
1599b1522
hex68d1d6f

109911407 has 2 divisors, whose sum is σ = 109911408. Its totient is φ = 109911406.

The previous prime is 109911323. The next prime is 109911413. The reversal of 109911407 is 704119901.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (704119901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 109911407 - 212 = 109907311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109911467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54955703 + 54955704.

It is an arithmetic number, because the mean of its divisors is an integer number (54955704).

Almost surely, 2109911407 is an apocalyptic number.

109911407 is a deficient number, since it is larger than the sum of its proper divisors (1).

109911407 is an equidigital number, since it uses as much as digits as its factorization.

109911407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 32.

The square root of 109911407 is about 10483.8641254072. The cubic root of 109911407 is about 479.0133189579.

The spelling of 109911407 in words is "one hundred nine million, nine hundred eleven thousand, four hundred seven".